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Mineralpedia Details for Namibite

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Namibite

Namibite

Named for the Namib Desert and the country of its discovery, Namibia. Namibite is a rare secondary mineral that occurs in bisumith-rich polymetallic hydrothermal deposits and in granite pegmatites. Localities include additionally in the United States, Canada, Australia, the Czech Republic, Germany, and England. Namibite occurs with bismuth, bismutite, wittichenite, bismite, bismutostiboconite, bismutoferrite, clinobisvanite, pucherite, beyerite, schumacherite, mixite, eulytite, and chrysocolla.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/namibite.pdf

Formula
Cu(BiO)2VO4(OH) 
Crystal System
Monoclinic 
Crystal Habit
Platy 
Cleavage
Good, None, None 
Color
dark green 
Streak
pistachio green 
Class
Monoclinic 
Hardness
4.5-5 
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Namibite from Copper Claim, Khorixas, Namibia

Namibite
            from Copper Claim, Khorixas, Namibia

Dark green crystal grain exposed inside a larger Beyerite crystal grain. The Beyerite crystal is 4mm long. 

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